Add 28/45 and 18/60
28/45 + 18/60 is 83/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Add the two like fractions:
112/180 + 54/180 = 112 + 54/180 = 166/180 - 166/180 simplified gives 83/90
- So, 28/45 + 18/60 = 83/90
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